Equalizing force contributions in transducers with partitioned electrode

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F10%3A00168439" target="_blank" >RIV/68407700:21230/10:00168439 - isvavai.cz</a>
Result on the web
<a href="http://www.aes.org" target="_blank" >http://www.aes.org</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Equalizing force contributions in transducers with partitioned electrode
Original language description
A partitioned electrode in an electrostatic transducer can present among others a possibility for making the transducer with the direct D/A conversion. Nevertheless, partitioned electrodes, the sizes of which are proportional to powers of 2 or terms of other convenient series, do not have the corresponding force action on the membrane. The reason is the membrane does not vibrate in a piston-like mode and electrode parts close to the membrane periphery do not excite membrane vibrations in the same way asthe elements near the center. The aim of this work is to suggest the way of equalization of force contributions from different partitioned electrodes by varying their sizes. Principles presented here can also be used for other membrane-electrode arrangements.
Czech name
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Czech description
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Project
<a href="/en/project/GA202%2F09%2F1509" target="_blank" >GA202/09/1509: Generation of directional low-frequency acoustic beams</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2010
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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